/Engine/Source/Runtime/Engine/Classes/Engine/SkeletalMesh.h
Get the maximum number of optional LODs. Do not use MaxNumOptionalLODs directly. Call this method instead.USkinnedAssetInterface.
virtual int32 GetMaxNumOptionalLODs ( const class [ITargetPlatform](API\Developer\TargetPlatform\Interfaces\ITargetPlatform) * TargetPlatform ) const